Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas medalhas de Bronze a Suíça com menos de 3 medalhas de Prata recebeu?
 ###Tabelas: CREATE TABLE semi-final_1 (semi-final_1_id AUTO_INCREMENT PRIMARY KEY, Draw INT, Artist VARCHAR, Song VARCHAR, Jury votes VARCHAR, Televotes INT, Total votes INT, Result VARCHAR) CREATE TABLE medallists_by_nation (medallists_by_nation_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Nation VARCHAR, Gold INT, Silver INT, Bronze INT, Total INT) CREATE TABLE pac-10_12_tournament (pac-10_12_tournament_id AUTO_INCREMENT PRIMARY KEY, Year INT, Champion VARCHAR, Score VARCHAR, Runner-Up VARCHAR, Arena VARCHAR, City VARCHAR, Tournament MVP VARCHAR) CREATE TABLE nielsen_ratings (nielsen_ratings_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Timeslot Times listed are Eastern time VARCHAR, Season premiere VARCHAR, Season finale VARCHAR, TV season VARCHAR, Ranking INT, Viewers (in millions of households) VARCHAR) CREATE TABLE achiral_catalan_solids (achiral_catalan_solids_id AUTO_INCREMENT PRIMARY KEY, picture VARCHAR, Dual Archimedean solid VARCHAR, Faces INT, Edges INT, Vertices INT, Face Polygon VARCHAR)  
SELECT MIN Bronze FROM medallists_by_nation WHERE Nation = switzerland AND Silver < 3